<template>
  <div class="login-container">
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
      auto-complete="on"
      label-position="left"
    >
      <div class="title-container">
        <h3 class="title">百秦游戏后台管理系统</h3>
      </div>

      <el-form-item prop="username">
        <span class="svg-container">
          <svg-icon icon-class="user"/>
        </span>
        <el-input
          v-model="loginForm.username"
          placeholder="账户"
          name="username"
          type="text"
          auto-complete="on"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password"/>
        </span>
        <el-input
          :type="passwordType"
          v-model="loginForm.password"
          placeholder="密码"
          name="password"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon icon-class="eye"/>
        </span>
      </el-form-item>

      <el-button
        :loading="loading"
        type="primary"
        style="width:100%;margin-bottom:30px;"
        @click.native.prevent="handleLogin"
      >登录</el-button>
    </el-form>
  </div>
</template>

<script>
// import { mapGetters } from 'vuex'
import { isValidateUserName, isValidatePassword } from '@/utils/validate'

export default {
  name: 'Login',
  data() {
    const validateUsername = (rule, value, callback) => {
      if (!value) {
        return callback(new Error('请输入账户名'))
      }
      if (!isValidateUserName(value)) {
        return callback(new Error('请输入正确的账户名'))
      }
      callback()
    }
    const validatePassword = (rule, value, callback) => {
      if (!value) {
        return callback(new Error('请输入密码'))
      }
      if (!isValidatePassword(value)) {
        return callback(new Error('请输入正确的密码'))
      }
      callback()
    }
    return {
      loginForm: {
        username: '',
        password: ''
      },
      loading: false,
      loginRules: {
        username: [
          { required: true, trigger: 'blur', validator: validateUsername }
        ],
        password: [
          { required: true, trigger: 'blur', validator: validatePassword }
        ]
      },
      passwordType: 'password',
      showDialog: false,
      redirect: undefined
    }
  },
  computed: {},
  mounted() {},
  methods: {
    _checkData() {
      return new Promise((resolve, reject) => {
        this.$refs['loginForm'].validate((valid) => {
          if (valid) {
            resolve(true)
          } else {
            resolve(false)
          }
        })
      })
    },
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
    },
    async handleLogin() {
      var check = await this._checkData()
      var { query = {}} = this.$route
      if (!check) return false
      this.loading = true
      this.$store
        .dispatch('user/loginByUsername', this.loginForm)
        .then(({ userInfo }) => {
          // console.log({ userInfo })
          this.loading = false
          // 菜单计算
          this.$store
            .dispatch('auth/setMenuTree', userInfo)
            .then(({ routeList = [], menuTree = [] }) => {
              if (query.redirectUrl) {
                this.$router.push({ path: query.redirectUrl })
              } else {
                // 默认跳转首页
                this.$router.push({ name: 'Dashboard' })
              }
            })
            .catch(exp => {
              console.error(exp)
            })
        })
        .catch(msg => {
          this.loading = false
          this.$message.error(msg)
        })
    }
  }
}
</script>
<style rel="stylesheet/scss" lang="scss">
$bg: #283443;
$light_gray: #eee;
$cursor: #fff;
/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;
    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;
      &:-webkit-autofill {
        -webkit-box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }
  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>
<style rel="stylesheet/scss" lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
  position: fixed;
  height: 100%;
  width: 100%;
  background-color: $bg;
  .login-form {
    position: absolute;
    left: 0;
    right: 0;
    width: 520px;
    max-width: 100%;
    padding: 35px 35px 15px 35px;
    margin: 120px auto;
  }
  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;
    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }
  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }
  .title-container {
    position: relative;
    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
    .set-language {
      color: #fff;
      position: absolute;
      top: 5px;
      right: 0px;
    }
  }
  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
  .thirdparty-button {
    position: absolute;
    right: 35px;
    bottom: 28px;
  }
}
</style>
